The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2010
Filed:
Feb. 28, 2005
Applicants:
Stefano Turchetta, Rome, IT;
Pietro Massardo, Rome, IT;
Umberto Ciambecchini, Rome, IT;
Inventors:
Assignee:
Chemi SpA, Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/675 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of 3-pyridil-1-hydroxyethyliden-1,1-biphosphonic acid monosodium salt of formula in an amorphous form, preferably lyophilized, and its pharmaceutical compositions are described. Said amorphous form, characterized by stability and simplicity of preparation and formulation, can be obtained by an industrially applicable lyophilization process, which comprises the steps of: